AE Hershey

Control of nitrogen export from watersheds by headwater streams
Peterson, B.J., WM Wollheim, P.J. Mulholland, J.R. Webster, J.L. Meyer, J.L. Tank, E. Marti, et al. 2001. “Control Of Nitrogen Export From Watersheds By Headwater Streams”. Science 292 (5514): 86-90. doi:10.1126/science.1056874.